PIMCO Corporate & Income Strategy Fund (the Fund), formerly PIMCO Corporate Income Fund, is a closed-end exchange traded management investment company. The Fund seeks high current income, with a capital preservation and appreciation. The Fund invests at least 80% of its total assets in a combination of corporate debt obligations of varying maturities, other corporate income-producing securities, and income-producing securities of non-corporate issuers, such as the United States Government securities, municipal securities and mortgage-backed and other asset-backed securities issued on a public or private basis. The Fund uses a dynamic asset allocation strategy. Allianz Global Investors Fund Management LLC serves as the Fund's investment manager, and the sub-adviser is Pacific Investment Management Company LLC (PIMCO).